Home / 4,647.20-6,408.26-3,515.54

Finding the Fourth Proportional to 4,647.20, 6,408.26 and 3,515.54

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Solution

The fourth proportional to 4,647.20, 6,408.26 and 3,515.54 is: 4,847.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.20 : 6,408.26 = 3,515.54 : x
  2. Step 2: Convert to fraction form
    4,647.20/6,408.26 = 3,515.54/x
  3. Step 3: Cross multiply
    4,647.20x = 6,408.26 × 3,515.54
  4. Step 4: Simplify right side
    4,647.20x = 22,528,494.36
  5. Step 5: Solve for x
    x = 22,528,494.36/4,647.20
  6. Step 6: Final answer
    x = 4,847.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.